| SP | Fernandez, S.Fernandez, Sid >> | 27 | 1989 | L | 100 | 20 | 20 | 6 | 7 | 3.47 | .310 | 1.35 | 8.4 | 3.7 | 5.5 | 127.0 | 119 | 52 | 49 | 8 | 52 | 78 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 3.82 |
| SP | Whitson, E.Whitson, Ed >> | 34 | 1989 | R | 85 | 19 | 19 | 6 | 6 | 3.65 | .290 | 1.21 | 8.9 | 2.0 | 4.7 | 133.0 | 131 | 55 | 54 | 11 | 30 | 70 | 1 | 0 | 0 | 1 | 13 | 2 | 0 | 3.74 |
| SP | Martinez, R.Martinez, Ramon >> | 21 | 1989 | R | 77 | 18 | 18 | 7 | 9 | 5.50 | .361 | 1.68 | 9.4 | 5.8 | 6.1 | 106.1 | 111 | 67 | 65 | 10 | 68 | 72 | 0 | 0 | 0 | 0 | 6 | 1 | 1 | 4.82 |
| SP | Candiotti, T.Candiotti, Tom # >> | 32 | 1989 | R | 66 | 18 | 18 | 6 | 7 | 5.25 | .311 | 1.35 | 9.2 | 2.9 | 5.1 | 111.1 | 114 | 69 | 65 | 13 | 36 | 63 | 0 | 0 | 0 | 0 | 8 | 1 | 2 | 4.39 |
| RP | Pena, A.Pena, Alejandro >> | 30 | 1989 | R | 82 | 39 | 0 | 7 | 2 | 4.24 | .312 | 1.36 | 9.8 | 2.5 | 6.3 | 57.1 | 62 | 28 | 27 | 5 | 16 | 40 | 0 | 4 | 4 | 0 | 0 | 0 | 2 | 3.58 |
| RP | Honeycutt, R.Honeycutt, Rick >> | 35 | 1989 | L | 80 | 30 | 0 | 1 | 0 | 2.87 | .329 | 1.47 | 9.9 | 3.5 | 4.9 | 31.1 | 34 | 11 | 10 | 2 | 12 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.90 |
| RP | Lefferts, C.Lefferts, Craig >> | 32 | 1989 | L | 68 | 15 | 0 | 0 | 2 | 1.61 | .256 | 0.99 | 6.5 | 2.5 | 6.1 | 22.1 | 16 | 4 | 4 | 0 | 6 | 15 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 2.59 |
| RP | Frohwirth, T.Frohwirth, Todd >> | 27 | 1989 | R | 53 | 21 | 0 | 0 | 1 | 3.91 | .324 | 1.43 | 9.4 | 3.5 | 4.3 | 23.0 | 24 | 10 | 10 | 1 | 9 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3.78 |
| CL | Russell, J.Russell, Jeff † >> | 28 | 1989 | R | 99 | 38 | 0 | 3 | 3 | 1.04 | .270 | 1.11 | 6.1 | 4.0 | 8.0 | 43.1 | 29 | 6 | 5 | 0 | 19 | 38 | 0 | 22 | 2 | 0 | 0 | 0 | 0 | 2.56 |
| SP | Reuschel, R.Reuschel, Rick >> | 40 | 1989 | R | 56 | 2 | 0 | 0 | 0 | 1.29 | .364 | 1.71 | 11.6 | 3.9 | 7.7 | 7.0 | 9 | 1 | 1 | 1 | 3 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.43 |